#app {
  width: 100vw;
  height: 100vh;
  position: fixed;
}
h1 {
  text-align: center;
  margin-top: 10vh;
}
h3 {
  text-align: center;
}
.main {
  position: relative;
  margin-top: 110vh;
  width: 50vw;
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  background: salmon;
  margin: auto;
}
.main button {
  width: 4vw;
  margin: 0.5vw;
}
.peizhiwenjain {
  text-align: center;
  background-color: gainsboro;
  width: 200px;
  position: absolute;
  top: 0;
  margin: auto;
  padding-top: 1vh;
  padding-bottom: 1vh;
}
.peizhiwenjain .el-switch {
  padding: 10px;
}
.title {
  padding-top: 5vh;
  width: 55vw;
  margin: auto;
  text-align: center;
}
.title .el-button {
  margin-top: 5vh;
}
.title .el-collapse {
  text-align: left;
}
.loss {
  display: flex;
  justify-content: space-around;
  position: absolute;
  font-size: 400px;
  margin: auto;
  z-index: 999;
  width: 100vw;
}
